It’s been a nightmarish summer for Mariah Carey, whose latest album tanked as her six-year marriage to Nick Cannon crumbled.

Now with divorce proceedings ahead, a source tells Life & Style those close to the star are concerned the singer could suffer another meltdown — just like the one she had before the release of her 2001 flop, Glitter.

Nick Cannon Goes on Twitter Rant About Mariah Carey

“She has a history of mental health issues,” an insider tells Life & Style, referring to Mariah’s 2001 stay in a hospital for psychiatric care.

Another source tells Life & Style that Nick wanted to leave Mariah months ago but was fearful she’d have a meltdown if he ended things.

Nick Cannon's Apparently "Saved" From Mariah Carey

“Nick’s No. 1 goal is to get the kids into a healthy environment where they would have some sense of normalcy,” an insider adds.

For more details on Mariah and Nick’s divorce, pick up the new issue of Life & Style, on newsstands now.